OpenTechnical

OT-2026-000062023

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000062023) never changes.

Identity and time

Publication numberOT-2026-000062023 · never reused
Internal UUID01a0ae8b-b8af-7bb7-80c4-ab7f7a9b7006 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062023
StatusPUBLIC

Content hashes

Canonical text9aaa76971516750561217a1440d397785e65a42a30ce7d292537f864c848406a
Markdown2dc860a03609be908d0d364b91e909f3a7813f5b9495ad4a84be6d8a4febcbc1
PDF
Publication page3f73d157e5629552d66d122c10c398e7d93af56ffb533b4affbedfa55519ec7c
Manifest5445f16bca744ad788e4d9a025eaf90093935314325538583ed1bff02ca86c7a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturedm6bBdcZqz9pxk2/ZOe4MX9g4iP25LRjxcEscQAbrLBzh78rKSyRzDIyhPVRGro9iuh7YDpDS0XE+WAiA3zGBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:03.376743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062023
observed 3f73d157e5629552d66d122c10c398e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.356576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062023/manifest.json
observed 5445f16bca744ad788e4d9a025eaf900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.334381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062023/publication.md
observed 2dc860a03609be908d0d364b91e909f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.314879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062023/publication.txt
observed 9aaa76971516750561217a1440d39778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.